BOSTIK Xtreme Flex (Box of 12) | WPD Group

High Performance MS Sealant & Adhesive

Bostik Xtreme Flex is a high performance, universal sealant and adhesive based on MSP (Modified Silyl-Polymer) technology. Xtreme Flex cures with the aid of atmospheric humidity to form a durable elastic rubber.

Recommended Uses

Xtreme Flex can be used internally and externally as a general purpose sealant where advanced flexibility is desired. It is suitable for sealing to damp substrates or in wet conditions, and for food storage and coolrooms. Ideal substrates include:

  • Concrete/Stone/Ceramic
  • Glass
  • Plasterboard
  • Polyurethane
  • PVC
  • Hard Plastics
  • Enamel
  • Copper/Lead/Zinc
  • Aluminium (including COLORBOND® and ALUCOBOND®)
  • Metals/Alloys/Stainless Steel
  • HPL
  • Cement Fibre Panels
  • Wood & Paint Systems

Product Details

  • Universal sealant and adhesive
  • Interior and exterior use
  • UV resistant
  • Paintable
  • WaterMarkTM certified WMKA2528/WMTS-014:2016
  • Water potable (Water Potable to AS4020)
  • Moisture and mould resistant
  • Adheres perfectly without primer on most surfaces
  • No shrinkage and bubble free
  • Adheres even to damp surfaces
  • Remains permanently elastic
  • Neutral curing
  • Almost odourless
  • Non corrosive towards metals
  • High mechanical resistance, end strength and E-modulus
  • Absorbs acoustic and mechanical vibrations
  • Environmentally friendly
  • Low VOC


290mL cartridges = Box 12

For special order quantities, call 1300 557 973.


Bostik Xtreme Flex PDS

Bostik Xtreme Flex SDS

Bostik Xtreme Flex VOC